[PATCH][next] tpm: remove redundant variable len

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Variable len is being accumulated but the value is never read. It is
redundant and can be removed. Cleans up clang scan build warning:

drivers/char/tpm/eventlog/tpm1.c:276:2: warning: Value stored to 'len' is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/char/tpm/eventlog/tpm1.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/tpm/eventlog/tpm1.c b/drivers/char/tpm/eventlog/tpm1.c
index 8aa9057601d6..12ee42a31c71 100644
--- a/drivers/char/tpm/eventlog/tpm1.c
+++ b/drivers/char/tpm/eventlog/tpm1.c
@@ -251,7 +251,6 @@ static int tpm1_binary_bios_measurements_show(struct seq_file *m, void *v)
 
 static int tpm1_ascii_bios_measurements_show(struct seq_file *m, void *v)
 {
-	int len = 0;
 	char *eventname;
 	struct tcpa_event *event = v;
 	unsigned char *event_entry =
@@ -273,7 +272,7 @@ static int tpm1_ascii_bios_measurements_show(struct seq_file *m, void *v)
 	/* 3rd: event type identifier */
 	seq_printf(m, " %02x", do_endian_conversion(event->event_type));
 
-	len += get_event_name(eventname, event, event_entry);
+	get_event_name(eventname, event, event_entry);
 
 	/* 4th: eventname <= max + \'0' delimiter */
 	seq_printf(m, " %s\n", eventname);
-- 
2.39.2




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